US0171 over Castor Bayou
FairSabine Parish, Louisiana · 3.83 Mi. North of LA 483 · Structure no. 084300250403831
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 29 ft
- 3 main spans
- Daily traffic
- 4,249
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US0171 over Castor Bayou is a concrete culvert carrying US0171 over Castor Bayou in Sabine Parish, Louisiana. It was built in 1990, so it is 35 years old, younger than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 4,249 vehicles a day, roughly 15% of them trucks, projected to reach 4,673 by 2041. The structure is 29 ft (8.8 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US0171 over Castor Bayou built?
It was built in 1990, making it 35 years old in 2025.
What condition is US0171 over Castor Bayou in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does US0171 over Castor Bayou carry?
About 4,249 vehicles per day (2021 count), of which roughly 15% are trucks.
How long is US0171 over Castor Bayou?
The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 93 ft wide.
Who owns US0171 over Castor Bayou?
It is owned by the State Highway Agency.